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which can each be turned on or off at compile time git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@8638 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Since OGL is not always bundled with distributions of wxWindows, in order for it to be a standard part of wxPython I need to bundle it here. The contents of the contrib directory are copies of the relevant parts of the main contrib directory in wxWindows. The build.py script in this directory will also build the needed files from there, so you no longer have to worry about aquiring and building additional libraries beyond wxWindows itself.